Primary sources are a direct source of information.
Examples:
Secondary sources interpret and analyze the information found in primary sources.
Examples:
Primary | Secondary | |
Artwork | Article critiquing the piece of art | |
Diary | Book about the time period in which the diary was written | |
Interview | Biography of the interviewee | |
Letters | Dissertation about the author of the letters | |
Poem | Treatise on a particular genre of poetry | |
Research Dataset | Article written by different researchers analyzing that data |
"Smoking gun proof:" fossil fuel industry knew of climate danger as early as 1954, documents show"
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"New Evidence Reveals Fossil Fuel Industry Sponsored Climate Science in 1954"
Visit the articles above.